@inproceedings{Aylward05a,
        author      = {S.~Aylward and J.~Jomier and C.~Vivert and V.~LeDigarcher
                       and E.~Bullit},
        title       = {Spatial graphs for intra-cranial vascular network
                       characterization},
        editor      = {J.~Duncan and G.~Gerig},
        booktitle   = {MICCAI},
        publisher   = {Springer, Heidelberg},
        volume      = {3749},
        pages       = {59-66},
        year        = {2005}}

@inproceedings{Kwitt13a,
        author      = {R.~Kwitt and D.~Pace and M.~Niethammer and S.~Aylward},
        title       = {Studying Cerebral Vasculature Using Structure Proximity and
                       Graph Kernels},
        booktitle   = {MICCAI},
        year        = {2013}}
